{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "trigger": true, "arguments": ["vulnerability", "issues addressed", "patch", "supported platform", "releaser", "time", "vulnerable system version", "vulnerable system", "common vulnerabilities and exposures"]}, {"event_type": "data breach", "trigger": true, "arguments": ["attacker", "purpose", "time", "number of data", "tool", "number of victim", "damage amount", "place", "attack pattern", "victim", "compromised data"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerable system owner", "supported platform", "vulnerable system", "time", "capabilities"]}, {"event_type": "ransom", "trigger": true, "arguments": ["payment method", "victim", "time", "attacker", "damage amount", "price", "place", "attack pattern"]}], "input": "He confirmed the existence of the ransom demand but would not reveal the contents ."}
{"patch vulnerability": [], "data breach": [], "discover vulnerability": [], "ransom": [{"trigger": "the ransom demand", "arguments": {}}]}